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Oval|Lab Grown|IGI

1.41ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG817639510

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817639510

Diamond specifications and retailer prices

From £129 GBP
$173 USD
As of October 29, 2026
Save £520 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £752 GBP at MOH London · As of October 18, 2026
View at MOH London

About this 1.41ct lab-grown oval diamond

This 1.41ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817639510 or 817639510. Listed at 10 retailers as of October 29, 2026, with a 403% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.41
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817639510
Dimensions8.73 × 6.40 × 4.03 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.73 mm6.40 mm1.41 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817639510
Side View
Table 62.0%Crown 36.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £752 GBP|Low: £122 GBP|High: £756 GBP|Avg: £433 GBP|+3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9£129 GBP
Retailer 5£149 GBP
Retailer 3£208 GBP
Retailer 2£275 GBP
Retailer 6£407 GBP
Retailer 7£514 GBP
Retailer 4£543 GBP
Retailer 10£649 GBP
Retailer 8£651 GBP
MOH London£752 GBP

31 data points across 10 retailers

10 retailers£129 GBP to £649 GBP

A
Cheapest Retailer
-
£129 GBP
$173 USD
A
Retailer 2
-
£149 GBP
$200 USD
View
A
Retailer 3
-
£208 GBP
View
A
Retailer 4
-
£275 GBP
€351 EUR
View
B+
Retailer 5
-
£407 GBP
$546 USD
View
B
Retailer 6
-
£514 GBP
$689 USD
View
B
Retailer 7
-
£543 GBP
$728 USD
View
B
Retailer 8
-
£649 GBP
$870 USD
View
Retailer 9
-
£651 GBP
SGD 1,179 SGD
View
Price last confirmed 19 days ago
Most Expensive
MOH London
LG817639510 · Oct 18
£752 GBP
View
Price last confirmed 14 days ago
9 more retailers have this diamond
Prices start from £129 GBPSave up to £520 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.41ct Oval
£129 GBP